Fix crash when placing cable plates (#534)

coil

2020-03-15 0e10e8360d6fa5aa6cbb86870b6244e8818d7dc8

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local S = technic.getter
 
if minetest.registered_nodes["default:furnace"].description == "Furnace" then
    minetest.override_item("default:furnace", { description = S("Fuel-Fired Furnace") })
end